#使用大括号{}创建集合

set_one = {'python'}
set_two = {0.3, 1, 1, 'python'}
set_three = {0.3, 1, 1, 'python'}
print(set_one)
print(set_two)
print(set_three)


#使用set()函数创建集合
set_one = set([1, 1, 2, 3])
set_two = set([2, 3, 4])
set_three = set(['Hello'])
set_four = set()
print(set_one)
print(set_two)
print(set_three)
print(set_four)
